In UsbDialogHelper of UsbDialogHelper.java, there is a possible UI confusion due to misleading or insufficient UI.
Affects Google Android; fixes are listed for Android 14, 15, 16, 16-qpr2, and 17. No vendor severity rating is given, so only the CVSS score of 8.4 (high) applies.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- Fixed in 14, 15, 16, 16-qpr2, 17
- Who is exposed
- Specific setups only
Do first: Upgrade to a fixed version: 14, 15, 16, 16-qpr2, 17.
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- Published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 14/100 · provisional
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Specific setups only
- Fix
- Fixed in 14, 15, 16, 16-qpr2, 17
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
This vulnerability affects the Android operating system's USB dialog component, which prompts users to approve USB connections. Because the dialog's interface can mislead or fail to clearly convey what is being authorized, a local attacker could gain elevated privileges on the device without needing additional permissions.
Read the original description
In UsbDialogHelper of UsbDialogHelper.java, there is a possible UI confusion due to misleading or insufficient UI. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
What to do
Upgrade to a fixed version: 14, 15, 16, 16-qpr2, 17.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Google Android
17, 16-qpr2, 16, 15, 14
Evidence 1
- Link
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-55257
What should I do about it?
Install the Android security update for the branch in use: 14, 15, 16, 16-qpr2, or 17. The sources list no workaround.Source: source.android.com
Is it being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data